{
  "type": "B744",   // 类型
  "r": "N919CA",
  "trace": [
    36946.23,
    61.169687,
    -150.050252,
    700,
    138,
    89.6,
    0,
    -896,
    null,
    "adsb_icao",
    625,
    -896,
    null,
    null
  ],
  "icao": "acb84d",
  "dbFlags": "8",
  "desc": "BOEING 747-400",
  "timestamp": 1743650368037
}